.banner{
    background: url('../img/product/bg.jpg') no-repeat;
    background-size: cover;
    height:6.8rem;
    padding-top: 2.1rem;
    position: relative;
}
    .banner h1{
        font-size: .36rem;
        line-height: .5rem; 
        z-index: 3;
        text-align: center;
        color:#fff;
    }
    .banner p{
        font-size: .18rem;
        line-height: .25rem;
        margin-top: .32rem;
        z-index: 3;
        text-align: center;
        width: 100%;
        color:#fff;
    }
    .ban-mark{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        z-index: 2;
        background: #000000;
        opacity: .4;
    }
/* nav导航栏 */
#nav{
    background: rgba(255, 255, 255, 0.7);
    position: absolute;
    bottom: 0;
    width: 100%;
}
    .nav{
        width: 43.3%;
        margin: 0 auto;
        display: flex;
        justify-content: space-between;
    }
    .nav span{
        width: 25%;
        font-size: .18rem;
        line-height: .48rem;
        padding: .31rem 0;
        text-align: center;
        cursor: pointer;
        font-weight: bold;
    }
    .nav-active{
        background: #fff;
        color:#47D8BF; 
    }
.content{
    display: flex;
    justify-content:space-between;
    width: 100%;
    height: 7rem;
}
    .content-tit{
        font-size: .18rem;
        line-height: .48rem;
        font-weight: bold;
    }
    .content-p{
        width: 3.8rem;
        font-size: .14rem;
        line-height: .3rem;
    }
    .ad1{
        padding-left: 1.73rem;
    }
    .ad1-left{
        margin: auto 0;
    }
    .ad1-right{
       position: relative;
       width:6rem;
    }
    /*.ad1-right img{
        width:100%;
        position: absolute;
        /*bottom: 0;
    }*/
    .ad1-img{
        display: flex;
        flex-direction: column-reverse;
        /*margin: 0 !important;*/
    } 
    .ad1-img img{
        width:6rem !important;
    }
    .ad2{
        padding: 0 1.73rem 0 .92rem;
        background:  #EFF7F6;
    }
    .ad2-left{
        margin: auto 0;
    }
    .ad2-left img{
        width: 5rem;
    }
    .ad2-right{
        margin: auto 0;
    }
    .ad3{
        padding: 0 1.76rem 0 1.73rem;
    }
    .ad3-left{
        margin: auto 0;
    }
    .ad3-right img{
        width: 5rem;
    }
    .ad3-right{
        margin: auto 0;
    }

    .de1{
        padding-left:1.73rem;
    }
    .de1-left{
        margin: auto 0; 
    }
    .de1-right{
        margin: auto 3rem;
    }
    .de1-right img{
        width: 5rem;
    }
    .de2{
        padding-right:1.73rem;
        background: #EFF6F5;
    }
    .de2-left{
        margin: auto 1.5rem; 
    }
    .de2-right{
        margin: auto 0;
    }
    .de2-left img{
        width: 5rem;
    }
    .de3{
        padding-left:1.73rem;
    }
    .de3-left{
        margin: auto 0; 
    }
    .de3-right{
        margin: auto 3rem;
    }
    .de3-right img{
        width: 5rem;
    }
    .de4{
        padding-right:1.73rem;
        background: #EFF6F5;
    }
    .de4-left{
        margin: auto 3rem; 
    }
    .de4-right{
        margin: auto 0;
    }
    .de4-left img{
        width: 5rem;
    }
    .de5{
        padding-right:1.73rem;
        background: #EFF6F5;
    }
    .de5-left{
        margin: auto 1.5rem; 
    }
    .de5-right{
        margin: auto 0;
    }
    .de5-left img{
        width: 5rem;
    }

    .re1{
        padding-left:1.73rem;
        padding-right: 1.356rem;
    }
    .re1-left{
        margin: auto 0; 
    }
    .re1-right{
        margin: auto 0;
    }
    .re1-right img{
        width: 5rem;
    }
    .re2{
        padding-left:1.62rem;
        padding-right: 1.73rem;
        background: #EFF6F5;
    }
    .re2-left{
        margin: auto 0; 
    }
    .re2-right{
        margin: auto 0;
    }
    .re2-left img{
        width: 5rem;
    }
    .re3{
        padding-left:1.73rem;
        padding-right: 1.48rem;
    }
    .re3-left{
        margin: auto 0; 
    }
    .re3-right{
        margin: auto 0;
    }
    .re3-right img{
        width: 4.6rem;
    }
.idea{
    padding-top: .75rem;
}
.idea-tit{
    font-size: .24rem;
    line-height: .48rem;
    text-align: center;
    width: 100%;
    margin-bottom: .64rem;
    font-weight: bold;
}
.idea-con{
    width: 48.6%;
    display: flex;
    justify-content: space-between;
    margin: 0 auto;
}
    .idea-con-item{
        width: 3rem;
        box-shadow: 0 7px 31px 0 rgba(21, 139, 144, 0.37);
        border-radius: 8px;
        margin-bottom: .6rem;
        padding: .34rem .21rem .2rem;
    }
    .idea-con-item img{
        display: block;
        margin: 0 auto;
        width: .7rem;
        height: .7rem;
        margin-bottom: .336rem;
    }
    .idea-con-item h2{
        font-size:.18rem;
        line-height: .48rem;
        text-align: center; 
        font-weight: bold;
    }
    .idea-con-item p{
        font-size: .14rem;
        line-height: .3rem;
        text-align: center;
    }
.page1,.page2,.page3{
    display: none;
}
/* 手机适配 */
@media only screen and (max-width:700px) {
    .banner h1,.content-tit,.idea-tit,.idea-con-item h2{
        line-height: 1rem;
    }
    .idea-con-item p{
        line-height: 1rem;
        font-size: 14px;
    }
    .banner{
        padding-top: 1.8rem;
        /* padding-bottom: 1rem; */
    }
    .banner h1{
        font-size:18px;
        font-weight: bold;
    }
    .banner p{
        width:90%;
        font-size: 14px;
        display: block;
        margin: 0 auto;
        margin-top: .32rem;
        line-height: 1rem !important;
    }
    .nav{
        width:85%;
    }
    .nav span{
        font-size: 14px;
        line-height: 1rem;
        font-weight: normal;
    }
    .content{
        height: auto;
        padding:1rem 1.73rem;
    }
    .de1,.de2,.de3,.de4{
        padding-bottom: 0;
    }
    .content-p{
        width: 100%;
        margin: .3rem 0;
        font-size: 14px;
        line-height: 1rem;
    }
    .ad1,.ad3,.de1,.de3,.de5,.re1,.re3{
        flex-wrap: wrap;
    }
    .ad2,.de2,.de4,.re2{
        flex-wrap: wrap-reverse;
    }
    .ad1-right,.ad1-img,.ad2-left,.ad3-right,.de1-right,.de2-left,.de3-right,.de4-left,.de5-right,.re1-right,.re2-left,.re3-right{
        margin: 0 auto;
    }
    .ad1-right img,.ad2-left img,.ad3-right img,.de1-right img,.de2-left img,.de3-right img,.de4-left img,.de5-right img,.re1-right img,.re2-left img,.re3-right img{
        position: unset;
    }
    .idea-con{
        flex-wrap: wrap;
        width: 60%;
    }
    .idea-con1{
        flex-wrap: wrap-reverse;
    }
    .ad1-img{
        display: unset;
        margin: 0 auto !important;
        width: auto !important;
    }
    .idea-con-item{
        width: 100%;
        padding: .5rem .5rem;
        margin-bottom: 1rem;
    }
    .idea-con-item img{
        width: 2.7rem;
        height: 2.7rem;
    }
    .idea-tit{
        font-size: 18px;
    }
    .idea-con-item h2{
        font-size: 14px;
        margin: .5rem 0;
    }
    .content-tit{
        font-size: 18px;
    }
    .ad1-right,.ad3-right,.ad2-left{
        width: 60%;
    }
    .ad3-right img,.ad2-left img{
        width: 100%;
    }
    .de1-right img,.de2-left img,.de3-right img,.de4-left img,.de5-right img{
        width:100%;
        margin: 0 auto;
    }
}